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EMC Symmetrix Solutions Design Exam for Technology Architects Sample Questions:

1. A proposed SRDF/S solution was modeled with BCSD. The model assumed that the Source array had 2 RFs.
The RA utilization chart shows the maximum utilization at 80%. How many RFs should be recommended to ensure a successful implementation?

A) 4
B) 6
C) 2
D) 3

2. A customer has implemented an Oracle application on a Symmetrix VMAX with a mix of Enterprise Flash Drives (EFD) and FC 15K drives. EFD are configured in RAID 5, and FC 15K drives are configured both in RAID 5 and RAID 1. In terms of IOPS activity, reads are predominant over writes. The customer decided to place a portion of the database in each tier.
Which Oracle database object(s) is suitable for placing on the FC 15K RAID 1 drives?

A) Redo log files
B) Index files
C) Data files
D) Temp file

3. You are designing an SRDF/S solution. Network bandwidth can be purchased in increments of single OC3 (155 Mb/s) links. Data compression is not in use. The workload profile is as follows:
Total I/Os per second = 30,000
Read block size = 4 KB
Write block size = 4 KB
Writes = 30%
How many OC3 links should be recommended?

A) 4
B) 8
C) 6
D) 2

4. You are designing the Symmetrix VMAX architecture for a DAS-to-SAN SQL Server migration. Currently all user databases reside on a single locally-attached disk enclosure, mounted to "M:\". You have decided on RAID-1 protected 15,000 RPM drives for the new SQL environment.
Last week, you configured Perfmon to record the current IOPS load of the databases during the 8-hour business day, Monday through Friday as shown in the exhibit. During an average business day, the transaction log processes 43 GB worth of data.

Following EMC best practices, which discount can be taken from the overall write IOPS when calculating for the database writes?

A) 196
B) 989
C) 392
D) 597

5. A customer wants to protect production data using local and remote replication on a pair of VMAX arrays located 100 km apart. Both VMAX arrays are fully configured with virtually provisioned thin volumes.
The customer has a near zero Recovery Point Objective (RPO) and wants to replicate the production volumes to the remote array, while maintaining a separate backup copy of the production data on the local array.
Which replication options do you recommend they implement?

A) TimeFinder/Clone and SRDF/S.
B) TimeFinder/Clone and SRDF/DM.
C) TimeFinder/Snap and SRDF/
D) TimeFinder/Mirror and SRDF/S.

Solutions: